package com.lbfamous;

import java.util.*;

public class LotteryOdds {
    
    public static void main(String[] args) {
        
        Scanner in = new Scanner(System.in);

        System.out.println("How many numbers do you need to draw? ");

        int k = in.nextInt();
        System.out.println("What is the highest number you can draw?");
        int n = in.nextInt();
        
        int lotteryOdds = 1;
        for(int i = 1;i <=k;i++){
            lotteryOdds = lotteryOdds *(n-i+1)/i;
        }
        System.out.println("Your odds are 1 in " + lotteryOdds + ".Good luck!");
    }
}